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Evidence of accelerated thermal cycling test schedules influencing the ranking of zirconia-base thermal barrier coatings
1995 (English)In: Journal of Thermal Spray Technology, Vol. 4, no 3, 275-279 p.Article in journal (Refereed) Published
Abstract [en]

Thermal barrier coatings (TBCs) often encounter temperature cycling in the course of normal operation. In the absence of actual or simulated engine test facilities, accelerated furnace thermal cycling experiments are frequently devised to evaluate the response of various TBCs. This study, which deals with yttria-stabilized and magnesia-stabilized zirconia systems, shows that the performance of a TBC is significantly governed by the severity of the time-temperature schedule employed. More importantly, the ranking of the two zirconia-base TBCs also is influenced by the adopted thermal cycling test schedule. These findings have ramifications in the design of suitable accelerated tests for TBC evaluation.

Place, publisher, year, edition, pages
Materials Park, OH, United States: ASM International , 1995. Vol. 4, no 3, 275-279 p.
Keyword [en]
Heat resistance, Magnesia, Nickel alloys, Performance, Thermal cycling, Yttrium compounds, Zirconia, Accelerated tests, Magnesia stabilized zirconia, Thermal barrier coatings, Thermal shock resistance, Time temperature schedule, Yttria-stabilized zirconia, Coatings
URN: urn:nbn:se:hv:diva-8461ISBN: 10599630 (ISSN)OAI: diva2:859901
Available from: 2015-10-09 Created: 2015-10-08 Last updated: 2015-10-09Bibliographically approved

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Joshi, S. V.

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